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Phelan Creek

Occurrence, Probably inactive

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Commodities and mineralogy

Main commodities Au; Pt

Geographic location

Quadrangle map, 1:250,000-scale MH
Quadrangle map, 1:63,360-scale A-3
Latitude 63.2304
Longitude -145.4792
Nearby scientific data Find additional scientific data near this location
Location and accuracy This placer occurrence is at an elevation of approximately 3,600 feet at the confluence of College Creek and the creek draining southwest from Gulkana Glacier (mapped as Phelan Creek on the A-4 quadrangle but labeled Gulkana River on the A-3 quadrangle). It is in the NE1/4NE1/4 section 32, T. 19 S., R. 12 E., Fairbanks Meridian.

Geologic setting

Geologic description

Pan concentrates of placer material collected by the U.S. Bureau of Mines from Phelan Creek contain gold and as much as 760 parts per billion platinum (Foley and others, 1989).
Geologic map unit (-145.481434848492, 63.2299879785847)
Mineral deposit model Placer Au-PGE (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Holocene.

Production and reserves

Workings or exploration There were active State claims on lower Phelan Creek during the mid-1990s.
Indication of production Undetermined

References

References

Foley, J.Y., Burns, L.E., Schneider, C.L., and Forbes, R.B., 1989, Preliminary report of platinum group element occurrences in Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File 89-20, 32 p., 1 map sheet, scale 1:2,500,000.
Reporters W.T. Ellis (Alaska Earth Science), C.C. Hawley (Hawley Resource Group), and W.J. Nokleberg (USGS)
Last report date 8/14/2002